Senior Database Engineer (Fintech, PostgreSQL)

TL;DR

Senior Database Engineer (Fintech, PostgreSQL): Own and scale a high-volume data infrastructure for payments, focusing on PostgreSQL performance, schema design, and large dataset management. Focus on optimizing complex queries, resolving performance bottlenecks, and designing high-performance search solutions for critical operational datasets.

Location: Remote. Applicants must be located within approximately ± 4 hours of CET.

Company

hirify.global is a leading tech company creating and operating innovative consumer products across health, education, and entertainment industries.

What you will do

• Own and operate AWS Aurora (PostgreSQL) in a high-load production environment.
• Design and evolve schemas for large transactional domains, implementing partitioning and advanced indexing.
• Analyze and optimize slow queries, resolving lock contention and vacuum issues.
• Design high-performance search solutions for internal CRM tools for large operational datasets.
• Work with event and log data pipelines, enabling fast, real-time insights.
• Ensure data integrity and consistency in financial workflows and plan safe schema changes and migrations.

Requirements

• Strong hands-on experience with PostgreSQL in production.
• Experience managing large databases (hundreds of millions of rows or more).
• Solid understanding of indexing strategies, query planners, execution paths, transactions, isolation levels, and locking.
• Experience working with AWS-based infrastructure, ideally AWS Aurora.
• Ability to independently investigate and resolve complex performance issues.

Nice to have

• Experience in payments, billing, fintech, or financial systems.
• Familiarity with analytical databases (ClickHouse, Tinybird, or similar).
• Experience designing data models for multi-tenant systems.
• Understanding of event-driven architectures and data pipelines.

Culture & Benefits

• Remote work environment promoting work-life balance.
• Unlimited paid time off and paid national holidays.
• Company-provided MacBook.
• Flexible Independent Contractor Agreement offering autonomy and entrepreneurial opportunities.
• Be part of a high-talent, fully remote engineering organization.

Hiring process

• Application review (3 to 5 days).
• Recruiter Screening (40 minutes).
• Technical Interview (60 minutes).
• Final Interview (30 minutes).